Needle head for biopsy cannula



FIG. 1 is a top perspective view of a needle head for biopsy cannula, showing my new design;

FIG. 2 is a bottom perspective view thereof; and

FIG. 3 is an elevational view of the end opposite that shown in FIGS. 1 and 2.

The broken line showing of the cannula in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a needle head for biopsy cannula, as shown and described. 